section .title {
    font-size: 40px;
    color: #000000;
    line-height: 1.5;
    text-align: center;
  }
  
  section .text {
    font-size: 20px;
    font-weight: 400;
    color: #A5A5A5;
    line-height: 1.5;
    text-align: center;
    margin-top: 20px;
  }
  
  
  
    .layout{
          width: 1200px;
          margin: 0 auto;
          position: relative;
  
      }
    .bg-heder {
      background: url(../img/facebook/bg-pc.png) no-repeat;
      background-size: 100% 100%;
      height: 683px;
      width: 100%;
      position: relative;
      display: flex;
      box-sizing: border-box;
    }
    .bg-heder .heder-left {
      /* 定位居中 */
      position: absolute;
      top: 50%;
      left: 0%;
      transform: translateY(-50%);
      width: 50%;
    }
    .heder-left .facebook-ico{
      display: inline-block;
      width: 66px;
      height: 66px;
      border-radius: 50%;
      background-color: white;
      margin-bottom: 20px;
    }
    .bg-heder .heder-left .title {
      font-size: 54px;
      font-weight: bold;
      color: #434343;
      line-height: 1.25;
    }
    .bg-heder .heder-left .add-btn {
      background: #F3F6FF;
      border-radius: 6px 6px 6px 6px;
      border: 1px solid #3864E9;
      padding: 18px 21px;
      font-size: 16px;
      color: #2A6CDF;
      margin-top: 45px;
      display: inline-block;
      line-height: 1;
    }
    .bg-heder .header-right {
      position: absolute;
      bottom: 11%;
      right: 0%;
      width: 50%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 588px;
      height: 119px;
      background: #FFFFFF;
      box-shadow: 0px 20px 30px 1px rgba(0, 0, 0, 0.08);
      border-radius: 8px;
      opacity: 1;
      padding: 0 50px;
      box-sizing: border-box;
      text-align: center;
      /* 基线底部对齐 */
    }
    .bg-heder .header-right .tips-text {
      font-size: 14px;
      font-weight: 400;
      color: #9D9EA5;
    }
    .bg-heder .header-right .tips {
      vertical-align: text-bottom;
      font-size: 30px;
      font-weight: bold;
      color: #2C63C3;
    }
    .box1{
      padding-top: 52px;
      padding-bottom: 100px;
      text-align: center;
      background-image: url('../img/facebook/box1-bg.jpg');
      background-size: cover;
      background-repeat: no-repeat;
    }
    .btn-items{
        text-align: center;
        display: flex;
        justify-content: center;
    }
     .btn-items h2{
      display: inline-block;
      font-size: 16px;
      width: 254px;
      height: 58px;
      text-align: center;
      line-height: 58px;
      border-radius: 8px 8px 8px 8px;
      margin: 54px 9px 0px 9px;
      cursor: pointer;
    }
    .btn-items h2.contact-btn{
      border: 1px solid #387EF2;
      color: #4387F2;
     }
     .btn-items h2.open-btn{
      background-color: #478AEF;
      color: #fff;
     }
  
     /* index-customization */
     .index-customization{
      padding-top: 70px;
      padding-bottom: 180px;
      background: #F5F6FB;
      }
      .index-customization .customization-top{
          margin-top: 47px;
          margin-right: -82px;
      }
      .index-customization .customization-bottom{
          margin-left: -82px;
      }
      .index-customization .customization-items{
          display: flex;
      }
      .index-customization .customization-items .customization-item{
          margin: 7px;
          width: 14%;
          height: 201px;
          background: #FFFFFF;
          border-radius: 9px 9px 9px 9px;
          display: flex;
          flex-direction: column;
          justify-content: space-around;
          align-items: center;
          padding: 30px 0;
      }
      .index-customization .customization-items .customization-item .customization-ico{
          display: inline-block;
          height: 50px;
      }
      .customization-item .customization-ico img{
          height: 100%;
      }
  
      .index-customization .customization-items .customization-item .customization-title{
          font-size: 16px;
          color: #666;
          font-weight: normal;
      }
  
      /* index-project */
      .index-project{
          padding-top: 65px;
          padding-bottom: 170px;
      }
      
      .index-project .project-left{
          padding-left: 80px;
          width: 30%;
          float: left;
      }
      .project-right{
          display: inline-block;
          width: 60%;
          padding-left: 75px;
          padding-top: 80px;
      }
      .index-project .project-items{
          display: flex;
          flex-wrap: wrap;
          justify-content: space-around;
      }
      .index-project .project-item{
          width: 15%;
          display: flex;
          align-items: center;
          margin: 50px 15px;
          background-image: url("../img/facebook/project_bg.png");
          background-repeat: no-repeat;
          background-size: 0% 100%;
          padding: 10px 15px;
      }
      .index-project .project-item:hover{
          background-size: 100% 100%;
          transition: .3s all ease;
          cursor: pointer;
  
      }
  
      .index-project .project-item .project-img{
          height: 42px;
      }
      .index-project .project-item .project-img img{
          height: 100%;
      } 
  
      .index-project .project-item .project-title{
          padding-left: 5px;
          font-size: 22px;
          color: #666666;
          font-weight: normal;
      } 
  
      /* index-solution */
      .index-solution{
          padding-top: 65px;
          padding-bottom: 120px;
          height: 905px;
          background-image: url("../img/facebook/solution-bg.jpg");
          background-repeat: no-repeat;
          background-size: cover;
          background-position: center;
      }
      .index-solution .solution-items{
          position: relative;
          margin-top: 110px;
      }
      .index-solution .solution-item{
          position: absolute;
          display: inline-block;
          width: 400px;
          background-color: #ffffff8c;
          border-radius: 15px;
          border: 2px solid #9fbfffba;
          padding-bottom: 30px;
      }
      .index-solution .solution-item:hover{
        background-color: #3879FE;
        transition: .3s all ease;
        cursor: pointer;
      } 
      .index-solution .solution-item:hover .item-title{
        color: #fff;        
        /* transition: .3s all ease; */
      } 
      .index-solution .solution-item:hover span{
        color: #fff;        
        /* transition: .3s all ease; */
      } 
      
      .index-solution .solution-item:nth-child(1){
          left: 4%;
      }
      .index-solution .solution-item:nth-child(2){
          right: 0px;
          margin-right: -35px;
      }
      .index-solution .solution-item:nth-child(3){
          top: 180px;
          margin-left: -63px;
      }
      .index-solution .solution-item:nth-child(4){
          top: 180px;
          right: 0px;
          margin-right: -60px;
      }
      .index-solution .solution-item:nth-child(5){
          top: 360px;
      }
      .index-solution .solution-item:nth-child(6){
          top: 360px;
          right: 8%;
      }
      .index-solution .solution-item figure{
          display: flex;
      }
      .index-solution .solution-item figure figcaption{
          padding-top: 20px;
      }
      .index-solution .solution-item .item-title{
          color: #666;
          font-size: 23px;
          font-weight: normal;
          margin-bottom: 10px;
      }
      .index-solution .solution-item span{
          color: #B6B8BF;
          font-size: 17px;
      }
  
      /* index-service */
      .index-service{
          background: url("../img/facebook/index-service-bg.jpg") no-repeat center;
          padding: 65px 0 113px 0;
      }
      .index-service .service-items{
          display: flex;
          justify-content: space-between;
          margin-top: 56px;
      }
      .index-service .service-items .service-item{
          width: 374px;
          height: 485px;
          background: #FFFFFF;
          box-shadow: 10px 40px 30px 1px rgba(18,58,87,0.07);
          border-radius: 11px 11px 11px 11px;
          display: flex;
          flex-direction: column;
          justify-content: space-around;
          align-items: center;
          padding: 20px 10px;
      }
      .index-service .service-items .service-item .item-img{
          height: 145px;
      }
      .index-service .service-items .service-item .item-img img{
        height: 100%;
    }
      .index-service .service-items .service-item .item-tit{
          font-size: 24px;
          color: #666;
          font-weight: normal;
      }
      .index-service .service-items .service-item .item-desc{
          font-size: 18px;
          color: #B6B8BF;
          text-align: center;
          line-height: 2;
      }
  
      /* idnex-advertisement */
      .idnex-advertisement{
        background: url("../img/facebook/advertisementbg.jpg") no-repeat center;
        padding-top: 64px;
        padding-bottom: 170px;
      }
      
      .idnex-advertisement .advertisement-items .advertisement-item{
        background: url("../img/facebook/advertisement-itembg.png") no-repeat center;
        
      }
      .idnex-advertisement .advertisement-container{
        overflow: hidden;
        position: relative;
      }
      .idnex-advertisement .advertisement-items  .advertisement-item{
        display: flex;
        align-items: center;
        justify-content: space-around;
      }
      .idnex-advertisement .advertisement-items  .item-cont{
        width: 60%;
        padding-right: 126px;
      }
      .idnex-advertisement .advertisement-items  .item-cont h3{
        color: #000;
        font-size: 26px;
        font-weight: normal;
      }
      .idnex-advertisement .advertisement-items  .item-cont .item-ico{
        color: #737E9B;
        font-size: 18px;
        text-align: center;
        display: inline-block;
        font-weight: normal;
      }
      .idnex-advertisement .advertisement-items  .item-cont .dividing-line{
        border-left: 1px solid #87ADFF;
        display: inline-block;
        height: 53px;
        margin: 0 70px;
      }
      .idnex-advertisement .advertisement-items  .item-cont .item-ico h4{
        padding-top: 20px;
        font-weight: normal;
      }
      .idnex-advertisement .advertisement-items  .item-cont p{
        color: #7C87A4;
        font-size: 18px;
        margin: 20px 0 50px 0;
      } 
      .idnex-advertisement .swiper-num{
        font-size: 23px;

        position: absolute;
        left: 39%;
        bottom: 75px;
        z-index: 10;
      }
      .idnex-advertisement .swiper-num .active{
        color: #424242;
        font-size: 26px;
      }
      .idnex-advertisement .swiper-num .total{
        color: #999;

        vertical-align: middle;
        }
       .idnex-advertisement .swiper-pagination{
            bottom: 61px !important;
            left: 48% !important;
            display: inline-block;
            width: auto !important;
        }
        .idnex-advertisement .btn-items{
            text-align: center;
        }
        .idnex-advertisement .btn-items h2{
            margin:34px 9px 0px 9px ;
        }

        .index-contact{
            background: url("../img/facebook/index-contact-bg.png") no-repeat center;
            padding: 87px 0 97px 0;
            
            background-size: cover;
        }
        .index-contact .contact-box{
            background: url("../img/facebook/form-bg.png") no-repeat center;
            padding: 112px 90px 73px 90px;
            text-align: center;
            margin-top: 82px;
        }
        .index-contact .contact-box .input-tit{
            display: none;
        }
        .index-contact .contact-box  input{
            border-radius: 2px;
            border: 1px solid #999999;
            width: 480px;
            height: 58px;
            margin: 0 13px;
            outline: none;
        }
        .index-contact .contact-box .submit{
            display: inline-block;
            width: 244px;
            height: 50px;
            line-height: 50px;
            text-align: center;
            font-size: 16px;
            color: #fff;
            background-color: #5474EF;
            border-radius: 6px;
            margin-top: 56px;
            cursor: pointer;
        }
 

  @media screen and (max-width: 1200px) {
    .pc{
        display: none;
    }
    .bg-heder {
      background: url(../img/facebook/bg-wap.png) no-repeat;
      height: 26.375rem;
      width: 100%;
      position: relative;
      display: flex;
      box-sizing: border-box;
      padding: 0 20px;
      background-size: 100% 100%;
    }
    .bg-heder .heder-left {
      /* 定位居中 */
      width: 50%;
      padding-top: 5vw;
      padding-bottom: 5vw;
      box-sizing: border-box;
    }
    .bg-heder .heder-left .title {
      font-size: 2.1875rem;
      font-weight: bold;
      color: #434343;
      line-height: 1.25;
    }
    .bg-heder .heder-left .add-btn {
      background: #F3F6FF;
      border-radius: .375rem;
      border: 1px solid #3864E9;
      padding: .6875rem .8125rem;
      font-size: 1.375rem;
      color: #2A6CDF;
      margin-top: 3.625rem;
      display: inline-block;
      line-height: 1;
    }
    .bg-heder .header-right {
      position: absolute;
      bottom: 3.4375rem;
      left: 55%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 5.3125rem;
      max-width: 25.4375rem;
      background: #FFFFFF;
      box-shadow: 0px 20px 30px 1px rgba(0, 0, 0, 0.08);
      border-radius: 8px;
      opacity: 1;
      padding: 0 2.3125rem;
      box-sizing: border-box;
      text-align: center;
      /* 基线底部对齐 */
    }
    .bg-heder .header-right .tips-text {
      font-size: .625rem;
      color: #9D9EA5;
      line-height: 1.5;
    }
    .bg-heder .header-right .tips {
      line-height: 1.5;
      font-size: 1.3125rem;
      font-weight: bold;
      color: #2C63C3;
    }
  }
  
  @media screen and (max-width: 750px) {
    .pc{
        display: none;
    }
    .my-bullet{
        width: 7vw;
        height: .5vw;
    }
    .layout{
        width: 96%;
    }
    section .title{
        font-size: 4.2vw;
    }
    section .text{
        font-size: 3vw;
        margin-top: 2vw;
    }
    .btn-items h2{
        font-size: 3vw;
        width: 45vw;
        height: 10vw;
        line-height: 10vw;
    }
    .bg-heder{
        height: 56vw;
    }
    .bg-heder .header-right{
        width: 44vw;
        height: 10vw;
        max-width: 43vw;
        padding: 0 3vw;
        bottom: 6vw;
    }
    .bg-heder .header-right .tips{
        font-size: 2.5vw;
    }
    .bg-heder .header-right .tips-text{
        font-size: 1.5vw;
    }
    .bg-heder .heder-left .title{
        font-size: 4.5vw;
    }
    .heder-left .facebook-ico{
        width: 5vw;
        height: 5vw;    
        margin-bottom: 2vw;
        background: none;
    }
    .bg-heder .heder-left .add-btn{
        font-size: 2.5vw;
        padding: 2.5vw;
        text-align: center;
        background-color: #F3F6FF;
        border: none;
        border-radius: .5vw;
        margin-top: 5vw;
    }
    .box1{
        padding-top: 10vw;
        padding-bottom: 13vw;
    }
    .index-customization{
        padding: 6vw 0 9.1vw 0;
    }
    .index-customization .customization-items .customization-item .customization-ico{
        height: 8vw;
    }
    .index-customization .customization-items .customization-item .customization-title{
        font-size: 2vw;
    }
    .index-customization .customization-top .customization-items .customization-item:first-child,
    .index-customization .customization-top .customization-items .customization-item:last-child, 
    .index-customization .customization-bottom .customization-items .customization-item:first-child,
    .index-customization .customization-bottom .customization-items .customization-item:last-child
    {
        display: none;
    }
    .index-customization .customization-top{
        margin-right: 0;
    }
    .index-customization .customization-bottom{
        margin-left: 0;
    }

    .index-customization .customization-items .customization-item{
        width: 18%;
        margin: 1vw;
        height: 21vw;
        padding: 2vw;
    }

    .index-project{
        padding: 5.3rem 0 5.8rem 0;
    }
    .index-project .project-item .project-img{
        height: 5vw;
      }
    .index-project .project-left{
        width: 50%;
        padding-left: 2rem;
        margin-top: 6vw;
    }
    .index-project .project-right{
        width: 50%;
        padding: 0;

    }
    .index-project .project-item{
        width: 40%;
        margin: 0;
        padding: 2vw 2vw;
        align-items: center;
    }
    .index-project .project-item .project-title{
        font-size: 2.5vw;
        height: 5vw;
        line-height: 6vw;
    }

    .index-solution{
        padding:10vw 0 10vw 0;
        height: auto;
    }
    .index-solution .solution-items{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        margin-top: 5rem;
    }
    .index-solution .solution-items .solution-item{
        position: relative;
        top:0;
        left: 0;
        width: 49%;
        margin: 1.5vw 0;
        padding-bottom: 2vw;
    }
    .index-solution .solution-item figure figcaption{
        padding-top: 2vw;
    }
    .index-solution .solution-items .solution-item .item-img img{
        height: 100%;
        width: auto;
    }
    .index-solution .solution-items .solution-item .item-img{
        height: 10vw;
    }
    .index-solution .solution-item span{
        font-size: 2vw;
        line-height: 3.5vw;
    }
    .index-solution .solution-item .item-title{
        font-size: 3vw;
        margin-bottom: .4vw;
    }
    .index-service {
        background: url("../img/facebook/index-service-bg750.png") no-repeat center;
        padding: 10vw 0 10.5vw 0;
        background-size: 100% 100%;
      }
    .index-service .service-items{
        justify-content: space-between;
    }
    .index-service .service-items .service-item .item-img{
        height: 10vw;
    }
    .index-service .service-items .service-item .item-img img{

    }
    .index-service .service-items .service-item{
        width: 32%;
        height: 45vw;
    }
    
    .index-service .service-items .service-item .item-tit{
        font-size: 3.5vw;
        font-weight: bold;
    }
    .index-service .service-items .service-item .item-desc{
        font-size: 1.8vw;
        line-height: 1.8;
    }

    .idnex-advertisement{
        padding: 5.4rem 0 7rem 0;
    }
    .idnex-advertisement .btn-items h2{
        margin-top: 2vw;
    }
    .idnex-advertisement .advertisement-items .advertisement-item {
        background: url("../img/facebook/advertisement-itembg750.png") no-repeat center;
        background-size: 100% 100%;
        margin-top: 5vw;
      }
    .idnex-advertisement .advertisement-items .item-cont h3{
        font-size: 2.5vw;
        font-weight: bold;
        line-height: 6vw;
    }
    .idnex-advertisement .advertisement-items .item-cont p{
        font-size: 1.2vw;
        line-height: 2vw;
        margin: 1vw 0 1.3vw 0;
    }
    
    .idnex-advertisement .advertisement-items .item-cont .item-ico:first-of-type{
        margin-right: 2vw;
    }
    .idnex-advertisement .advertisement-items .item-cont .item-ico img{
        height: 3.5vw;
        width: auto;
    }
    .idnex-advertisement .advertisement-items .item-cont .dividing-line{
        display: none;
    }
    .idnex-advertisement .advertisement-items .item-cont .item-ico h4{
        padding-top: .2vw;
        font-size: 1.8vw;
        line-height: 2vw;
    }
    .idnex-advertisement .swiper-num{
        bottom: 4vw;
        font-size: 2vw;
        left: 33vw;
    }
    .idnex-advertisement .swiper-num .active{
        font-size: 3.5vw;
    }
    .idnex-advertisement .swiper-num .activ{
        font-size: 2.4rem;
    }
    .idnex-advertisement .swiper-pagination{
        bottom:    1vw !important;

        left: 43vw !important;
    }
    .idnex-advertisement .advertisement-items .item-cont{
        padding-right: 11vw;
    }
    .idnex-advertisement .advertisement-items .item-img{
        padding-left: 2vw;
    }
    .index-contact {
        padding: 5.4vw 0 11.8vw 0;
        background-position-x: 93%;
      }
      .index-contact .contact-box{
        background: #FFFFFFB0;
        box-shadow: 0rem 0.3rem 0.6rem 0.1rem rgba(0,0,0,0.16);
        border-radius: 1.1rem 1.1rem 1.1rem 1.1rem;
        padding: 6vw;
        margin-top: 10vw;
      }
      .index-contact .contact-box input{
        width: 100%;
        border-radius: 0.6rem 0.6rem 0.6rem 0.6rem;
        border: 0.1rem solid #DDE0E7;
        margin: 4vw 0;
        height: 9vw;
      }
      .index-contact .contact-box .input-tit{
        display: block;
        text-align: left;
        color: #333333;
        font-size: 4vw;
        font-weight: normal;
      }
      .index-contact .contact-box .submit{
        width: 100%;
        height: 8.7vw;
        background: #4E60FC;
        box-shadow: 0rem 0.3rem 0.6rem 0.1rem rgba(76,90,255,0.27);
        border-radius: 7vw;
        line-height: 8.7vw;
        margin-top: 6vw;
      }
  }
  @media screen and (min-width: 1201px){
    .mobile{
        display: none !important;
    }
  }
  /* @media screen and (max-width: 480px) {
    html{
        font-size: 5px;
    }
    .bg-heder{
        background-size: auto;
        background-position-x: 66%;
    }
    .bg-heder .heder-left{
        width: 100%;
        position: relative;
        padding-top: 2rem;
        top: 30%;
    }
    .bg-heder .heder-left .title{
        font-size: 2rem;
    }

    .bg-heder .header-right{
        width: 100%;
        position: relative;
        left: 0;
        top: 0;
    }
    .index-customization .customization-items{
        flex-wrap: wrap;
    }
    .index-customization .customization-items .customization-item{
        width: 100%;
        margin: 10px 0;
    }
    .index-project .project-right,.index-project .project-left{
        width: 100%;
    }
    .index-solution .solution-items .solution-item{
        width: 100%;
    }
    .index-service .service-items{
        flex-wrap: wrap;
    }
    .index-service .service-items .service-item{
        width: 100%;
        margin: 10px 0;
    }
    .idnex-advertisement .advertisement-items .item-cont{
        padding-right: 1rem;
    }
    .idnex-advertisement .advertisement-items .item-cont p{
        margin: .5rem 0 .5rem 0;
        line-height: 1.4;
    }
    .idnex-advertisement .advertisement-items .item-cont .item-ico:first-of-type{
        margin-right: 2rem;
    }
    .idnex-advertisement .advertisement-items .item-cont .item-ico img{
        height: 2rem;
    }
    .idnex-advertisement .swiper-num{
        bottom: 0%;
        left: 31%;
    }
    .idnex-advertisement .swiper-pagination {
        bottom: -6% !important;
      }
      .idnex-advertisement .advertisement-container{
        margin-top: 20px;
      }
      .index-contact .contact-box{
        padding: 20px;
      }
      .index-contact .contact-box .submit{
        margin-top: 20px;
      }
       .btn-items{
        display: flex;
        justify-content: space-between;
      }
       .btn-items h2{
        width: 44%;
        margin: 20px 0;
      }
  } */

  .bg-heder .heder-left .add-btn>a,.btn-items h2.contact-btn>a{
    color: #2A6CDF;
    }
   .btn-items h2.open-btn>a,.index-contact .contact-box .submit>a{
  color: white;
   }